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Chapter 3: Subsystems / Chases / Building a Chase

Setting Obstacle DCs

Source Gamemastery Guide pg. 157
When you set the DCs for an obstacle, you’ll typically be using simple DCs. Use a proficiency rank that’s generally appropriate for the PCs’ level if you want the obstacle to be a significant one. As noted earlier, you’ll typically want to select a couple different ways the group can get past an obstacle. At least one check should be have an easy or very easy adjustment, while the other check should have a standard or hard DC. In some cases you might use something other than a simple DC; for example, if a specific NPC has put up a magical barrier, you would use their spell DC. This might result in some pretty tough DCs or even impassable obstacles, so use this carefully!

If a PC improvises a different way to get around an obstacle from what you planned, set the DC just like you would normally when picking a DC on the fly. Don’t worry about adjusting the DC of the check to be easy or very easy, because the PC is likely to be good at the skill they’ve chosen to use.